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Merge branch 'improve-dominant_color' of https://github.com/un-pogaz/calibre

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Kovid Goyal 2026-01-05 19:29:47 +05:30
commit fe7b6227f5
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1 changed files with 11 additions and 1 deletions
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12
src/calibre/utils/imageops/imageops.cpp
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@ -640,7 +640,17 @@ void overlay(const QImage &image, QImage &canvas, unsigned int left, unsigned in
QColor dominant_color(const QImage &image) { // {{{
if (image.isNull()) return QColor();
QImage img(image);
QImage img;
if (image.width() < 100 || image.height() < 100)
img = QImage(image);
else {
float ratio;
if (image.width() > image.height())
ratio = 100.0 / image.width();
else
ratio = 100.0 / image.height();
img = image.scaled(image.size() * ratio, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
ENSURE32(img);
QHash<QRgb, int> colorCounts;
const uchar* bits = img.constBits();